Following positive commentary from Cairns Airport on regional routes I have also recently looked at the same BITRE data set indexed here:

Hmm. I could also turn this into a post on the dangers of locking an index to a starting point on a linear scale. I could also note that around 10% of airport traffic into the remote North West mining province of Queensland is now recorded through Cloncurry combined with Mt Isa up from zero for a few years following the index benchmark date.